Check Engine DiagnosticsHeavy Duty Fleet RepairCoolant System ServicesTransmission & DrivetrainBrake System RepairIs Truck Downtime
Disrupting Fleet Operations?
01
Unexpected Breakdowns
When a truck breaks down, your schedule can quickly fall behind and productivity slows down.
02
Long Shop Wait Times
Waiting days for shop availability keeps trucks off the road and delays important deliveries.
03
Lost Time and Revenue
Every hour a truck sits inoperable can mean missed jobs, delayed routes, and lost income.
Diesel Expertise
Delivered to Your Fleet
Ares Diesel Repair was founded by career diesel technicians with more than 23 years of industry experience, providing reliable on-site preventive maintenance service for commercial fleets, box trucks, and heavy equipment throughout the Houston area. Our mobile technicians come directly to your location with the tools and expertise needed to diagnose problems, complete repairs efficiently, and reduce costly downtime, making us a trusted provider of Houston mobile diesel repair services.
Fast Fleet Repairs
When a truck goes down, every minute of downtime impacts your operation and schedule. Our mobile technicians respond quickly with on-site diagnostics and repairs to get your fleet back to work fast.
Certified Diesel Experts
Our experienced diesel technicians bring the knowledge and equipment needed to diagnose issues accurately. We deliver dependable repairs and maintenance services that help keep your trucks operating reliably.
24/7 Mobile Diesel Service
Breakdowns don't follow a schedule, which is why our team is available day and night. We provide emergency roadside mobile diesel repair services wherever your trucks are located to minimize downtime.
See How We've Helped
Keep Businesses Running
Fast & Reliable Mobile Diesel Repair Process
01
Rapid Intake & Dispatch
We take your call, carefully log the details of the breakdown or complaint, and immediately dispatch a mobile technician who has the specific expertise required for your issue.
03
Transparent Estimating
We don’t believe in surprises or hidden fees. Once the issue is diagnosed, we build a precise, up-front estimate detailing the exact cost and scope of the repair.
05
Parts Procurement & Expert Repair
Once approved, we immediately source and order the necessary heavy-duty parts. Our technicians then execute the repair with unmatched attention to detail and precision, ensuring the unit is fully operational.
02
On-Site Diagnostics
Our technician arrives at your truck, yard, or job site and performs a thorough, expert diagnostic to find the exact root cause of the problem, not just the symptom.
04
Customer Approval
You are in complete control. You review the exact amount needed for the repair and choose to either approve or deny the work. We do not proceed without your green light.
06
Straightforward Invoicing
After the repair is completed and tested, we finalize the paperwork and issue a clear, itemized invoice. Your truck gets back to moving freight, and your crew gets back to work.
Emergency Mobile Diesel Services
That Keep Drivers Moving
24/7 Emergency Fleet Dispatch
When a truck goes down unexpectedly, our mobile technicians respond quickly to handle no-starts, derates, air leaks, and charging issues.
Diagnostics & Forced Regens
We diagnose PACCAR MX and Cummins engine issues, troubleshoot DEF and emissions faults, and perform forced regens when conditions allow.
A/C & Brake Repair
From weak A/C performance and compressor problems to air leaks and brake repairs, we help keep your trucks safe and comfortable on the road.
Emergency Mobile Welding
Our mobile welding services provide fast, dependable repairs for damaged equipment, trailers, and fleet vehicles right at your location.
No-Start & Electrical
We troubleshoot batteries, starters, alternators, wiring issues, and electronic faults to identify problems quickly and get you moving again.
Fleet Maintenance & Box Truck Repair
Keep your fleet operating reliably with on-site maintenance, inspections, DOT repairs, yard service, and support for busy fleet shops.
Current Service
Specials
We regularly offer service specials designed to help fleet managers and dispatchers reduce maintenance costs while keeping trucks operating reliably.
First-Time Fleet Customer Offer
Summer A/C Performance Special
Fleet PM / DOT Readiness Offer
Diesel Repair Insights &
Fleet Maintenance Tips
Mobile Diesel Mechanic: What They Do & When to Call
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Common Issues Fixed by Mobile Diesel Repair
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7 Signs Your Diesel Transmission Is Failing
Learn the 7 common signs of diesel transmission failure, from slipping gears to …
FAQs
Do you offer 24/7 mobile diesel repair?
Yes, Ares Diesel Repair provides 24/7 roadside truck repair throughout the Greater Houston area, including major routes like I-10 and I-45. Our team of experienced technicians responds quickly with fully equipped service trucks to handle breakdowns, emergency repairs, and roadside diagnostics on-site. Whether you need an emergency mobile truck mechanic for a no-start issue or roadside diesel repair on the highway, we work to minimize downtime and get you back on the road fast.
What truck brands do you service?
Our mobile diesel mechanic Houston team services a wide range of heavy-duty and commercial truck brands, including Cummins, Detroit Diesel, Caterpillar, Volvo, Paccar, Mack, and International platforms. We work on semi trucks, box trucks, fleet vehicles, and heavy equipment using OEM-grade diagnostic equipment and advanced repair tools. From mobile 18 wheeler repair Houston services to diesel truck won’t start roadside calls, our technicians are trained to diagnose and repair many makes and models efficiently.
Do you specialize in fleet service?
Yes, fleet service is one of our specialties. We provide mobile fleet maintenance Houston businesses can rely on, including preventative maintenance, DOT inspections, diagnostics, brake repairs, and on-site heavy duty truck PM service. Our commercial fleet mechanic Houston team works directly at your yard or jobsite to reduce downtime, improve fleet reliability, and help keep your trucks compliant and operational.
Can diagnostics be done on-site?
Absolutely. We offer mobile diesel computer diagnostics and heavy duty truck scanner roadside services directly at your location, eliminating the need for unnecessary towing. Our technicians use dealer-level diagnostic software and OEM-grade tools to identify fault codes, engine issues, aftertreatment problems, and electrical failures quickly and accurately. Whether you need a mobile forced regen service Houston drivers trust or advanced troubleshooting for a check engine light, we can handle diagnostics on-site.
Do you offer preventative maintenance?
Yes, we provide customized preventative maintenance solutions for fleets, owner-operators, and heavy equipment throughout Houston and surrounding areas. Our on-site heavy duty truck PM service includes inspections, fluid checks, brake evaluations, filter replacements, and mobile DOT inspection Houston services designed to help prevent costly breakdowns. With scheduled mobile fleet maintenance Houston companies depend on, we help extend vehicle life, improve uptime, and reduce unexpected roadside repairs.
Get Your Trucks
Back on the Road Fast
Have a breakdown or need a PM quote? Call or text 866-993-8589 or book in 30 seconds. We dispatch 24/7 across North Houston and the I-10 corridor to get you back on schedule fast
